Array Cast

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Logo of the Array Cast.
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The Array Cast is a podcast about array programming languages, especially APL, J, K/Q, and BQN. Being an audio-only production, the focus is on giving high-level views and describing the experience of using such languages, rather than showing visual examples of code.


The podcast is hosted by Conor Hoekstra who is a senior library software engineer at NVIDIA. Recurring panellists are Adám Brudzewsky, Richard Park, and Rodrigo Girão Serrão, of Dyalog Ltd., Stephen Taylor and Nick Psaris of Kx Systems, and J enthusiast Bob Therriault. After appearing multiple times, twice as a guest panellist, Marshall Lochbaum joined the regular panel with the 22 July 2022 episode. Various guests are invited to specific episodes.



Date Panel Featured Guest Featured Languages Title
May 15 Brudzewsky, Taylor, Therriault Why We Like Array Languages
May 29 Park, Taylor, Therriault Loops and Learning about Array Languages
Jun 12 Brudzewsky, Psaris, Therriault What Challenges Face the Array Languages?
Jun 26 Brudzewsky, Psaris, Therriault What is an array?
Jul 10 Park, Psaris, Therriault Responding to a Listener’s Email
Jul 23 Brudzewsky, Taylor, Therriault Henry Rich J Henry Rich’s Deep Dive into J
Aug 7 Brudzewsky, Therriault Marshall Lochbaum APL, J, BQN Marshall Lochbaum and the BQN array language
Aug 21 Brudzewsky, Therriault Attila Vrabecz K, Q Attila Vrabecz and the k group of programming languages.
Sep 4 Brudzewsky, Taylor, Therriault APL, J Tacit Programming
Sep 18 Brudzewsky, Taylor, Therriault Eric Iverson APL, J Eric Iverson
Oct 2 Park, Taylor, Therriault APL, J Why Tacit?
Oct 16 Park, Taylor, Therriault Gitte Christensen APL Gitte Christensen of Dyalog Ltd.
Oct 30 Brudzewsky, Taylor, Therriault Morten Kromberg APL, J Roger Hui (1953-2021)
Nov 13 Girão Serrão, Brudzewsky, Park, Therriault APL Dyalog ‘21 Live
Nov 27 Brudzewsky, Taylor, Therriault APL, J, BQN Tacit #3 (and other topics)
Dec 10 Park, Taylor, Therriault Brooke Allen APL Brooke Allen - a life of adventure
Dec 25 Brudzewsky, Taylor, Therriault APL, J, BQN Tacit #4 - the dyadic hook


Date Panel Featured Guest Featured Languages Title
Jan 8 Brudzewsky, Taylor, Therriault Henry Rich J Henry Rich presents J903
Jan 22 Park, Taylor, Therriault Aaron Hsu APL Aaron Hsu
Feb 5 Park, Therriault Rodrigo Girão Serrão APL Rodrigo Girão Serrão
Feb 19 Park, Taylor, Therriault Morten Kromberg APL Morten Kromberg, CTO of Dyalog Ltd.
Mar 3 Brudzewsky, Taylor, Therriault Josh David APL APL in industry
Mar 18 Brudzewsky, Taylor, Therriault Andrew Sengul APL, April Andrew Sengul - The April APL Compiler
Apr 1 Brudzewsky, Taylor, Therriault Aaron Hsu, Andrew Sengul, Gitte Christensen,
Rodrigo Girão Serrão, Rich Park, and Stefan Kruger
APL, April APL Seeds 2022
Apr 15 Brudzewsky, Therriault Vanessa McHale Futhark, J, Haskell Vanessa McHale
Apr 29 Brudzewsky, Taylor, Therriault Stevan Apter APL, K, Q Stevan Apter
May 13 Taylor, Therriault Joel Kaplan APL, K, A Joel Kaplan
May 27 Brudzewsky, Therriault guest panellist: Marshall Lochbaum APL, J, BQN Rank and Leading Axis Theory
Jun 10 Brudzewsky, Taylor, Therriault guest panellist: Marshall Lochbaum APL, J, K, BQN Transpose
Jun 24 Brudzewsky, Taylor, Therriault Looking Back at Our First Year
Jul 8 Brudzewsky, Therriault Jeremy Howard APL, J Jeremy Howard - Data Scientist
Jul 22 Brudzewsky, Lochbaum, Therriault APL, J, K, Q, BQN Control Structures in the Array Languages
Aug 5 Park, Lochbaum, Therriault João Araújo APL João Araújo and Tools of Thought
Aug 19 Park, Lochbaum, Taylor, Therriault Romily Cocking APL, Smalltalk The Many Languages of Romilly Cocking
Sep 2 Brudzewsky, Lochbaum, Therriault Lib Gibson APL Lib Gibson - IP Sharp’s ‘Zookeeper’

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